On Mon, 2014-08-11 at 11:55 -0700, Siddharth Agarwal wrote: > On 08/11/2014 11:54 AM, Augie Fackler wrote: > > --keep is basically the current behavior, isn't it? > > Only for linear updates. I don't remember whether updates to successors > or precursors counts as linear. If not, they should. -- Mathematics is the supreme nostalgia of our time.